package com.self.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;

import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.self.servicebase.handler.MyException;
import com.self.vod.service.VodService;
import com.self.vod.utils.ConstantPropertiesUtil;
import com.self.vod.utils.ConstantVodUtils;
import com.self.vod.utils.InitVodClient;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {


    //上传视频
    @Override
    public String uploadVideo(MultipartFile file) {
        //accessKeyId, accessKeySecret:
        //title: 上传之后显示的名称
        //filename: 上传文件原始名称
        //inputStream: 文件输入流
        try {
            String accessKeyId = ConstantPropertiesUtil.ACCESS_KEY_ID;
            String accessKeySecret = ConstantPropertiesUtil.ACCESS_SECRET;
            String fileName = file.getOriginalFilename();
            String title = fileName.substring(0,fileName.lastIndexOf("."));
            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(accessKeyId, accessKeySecret, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                System.out.print("VideoId=" + response.getVideoId() + "\n");
                System.out.print("ErrorCode=" + response.getCode() + "\n");
                System.out.print("ErrorMessage=" + response.getMessage() + "\n");
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }

    //根据视频ID删除阿里云视频
    @Override
    public void removeVideo(String videoId) {
        try{
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantPropertiesUtil.ACCESS_KEY_ID, ConstantPropertiesUtil.ACCESS_SECRET);
            //创建request对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            //向request中设置视频Id
            request.setVideoIds(videoId);
            //调用初始化对象中的方法进行删除
            DeleteVideoResponse response = client.getAcsResponse(request);

            System.out.println(response.getRequestId());
        }catch(Exception e){
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败~~");
        }
    }

    //删除多个阿里云视频的方法
    @Override
    public void batchRemoveVideo(List videoList) {
        try{
            //初始化对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantPropertiesUtil.ACCESS_KEY_ID, ConstantPropertiesUtil.ACCESS_SECRET);
            //创建request对象
            DeleteVideoRequest request = new DeleteVideoRequest();

            //videoList中的值如何将转化为1,2,3？？？
            String ids = StringUtils.join(videoList.toArray(), "1");

            //向request中设置视频Id
            //1,2,3
            request.setVideoIds(ids);
            //调用初始化对象中的方法进行删除
            DeleteVideoResponse response = client.getAcsResponse(request);

            System.out.println(response.getRequestId());
        }catch(Exception e){
            e.printStackTrace();
            throw new MyException(20001,"删除视频失败~~");
        }
    }


}
